102 FIELD COLUMBIAN MusEuM— GEOLOGY, VOL. III. 
2. CRISTOBAL GROUP: 
The nickel-cobalt content exceeds 20 per cent. 





Cris’ 
Name. Fe. Ni. Ga CusiCr, Pi. Ss Le Si Cl. a0 Miscell: 
Limestone Creek. .| 65..18]27.71] 20s s|es oe] scrow] orap acs |e «pie oe) gate tel oprah cra 
3 4 OOx50 240711 «eee | ena aera 4.072 ae eee 1.48)..../Cr.& Mi 
u Lee Pes, Fay | Ooney, Pewee ie Por) Rees -O1}.2.9/ Reo. 
= oie a} 500320000 el ected ean © 1Q | oie ose of o aio aia fom aetna nnn one te ca 
Sant Tistopad. ess 9372255001 Cla Onl tela ate me Peo) a 

3. OKTIBBEHA. 
The meteoric origin of Oktibbeha.is doubtful, on account of its 


OKTI 
Name. Fe. Ni. Gort) CusaCr Pp: >s C Si. GE ae Miscellz 
Oktibbenawe snp sete 37,.00]§9..60} S404). (OO Sues eae kOe ea ae 2S oa ALS ah. 
Ga aa. 
C. ATAXITES WITH ACCESSORY -FORSTERiIis 
The accessory occurrence of forsterite is characteristic. It forms 
about five per cent of the mass, occurring in small spheroidal grains 
or elongated aggregates ot grains, and is accompanied by some plag- 
ioclase. In nickel-cobalt content the metallic portion of the meteorite 


ATAXITES 
Name. Reo d Nie ons | }CieisCn. seek: 3. Cy VSROs acne ee Miscell: 
SL uCSOD. Gata ote 85..$4/° 3: $5] 4 = Ol OShs scm eee te at 3.02] 3) ae eee Mg 2.04 
Al,O 
POR ge Seen fir 93. 551.9. 20. “7 801...0 S407 eas 40 enna oe 3,01}; amon Labradorit: 
CaO 51 | 
(Carleton Iron)...... ST. 50/9. E71 SAA OSls Akl ec AOM sees een 3.03} een] eee FeO 12 
MgO 2.43 
. -»>.| 84.56] 8.89] 1.36] .03} .02] .16°| tr. \| .04 | 1,72) scOsm ee. 
Chrys. res. 
(Ainsa Iron) ........ 84.60] 9:24]. .95] .02| .02] .17 | .oL,| .04 | 1,76) O04} veel. 
: Chrys.res. 

* K5O;-.10; NasO, .172 
